// 满背景效果
.mixin-bg {
  display: flex;
  flex-shrink: 0;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-position: center;
}

// 图片自适应避免拉伸
.mixin-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
